266080942 has 4 divisors (see below), whose sum is σ = 399121416. Its totient is φ = 133040470.

The previous prime is 266080849. The next prime is 266080943. The reversal of 266080942 is 249080662.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266080943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66520234 + ... + 66520237.

It is an arithmetic number, because the mean of its divisors is an integer number (99780354).

Almost surely, 2^266080942 is an apocalyptic number.

266080942 is a deficient number, since it is larger than the sum of its proper divisors (133040474).

266080942 is a wasteful number, since it uses less digits than its factorization.

266080942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133040473.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 266080942 is about 16311.9876777786. The cubic root of 266080942 is about 643.1879851570.

The spelling of 266080942 in words is "two hundred sixty-six million, eighty thousand, nine hundred forty-two".